# Joachim Sigismund von Brandenburg
**Wikidata**: [Q1690472](https://www.wikidata.org/wiki/Q1690472)  
**Source**: https://4ort.xyz/entity/joachim-sigismund-von-brandenburg


## References

1. Virtual International Authority File
2. Find a Grave
3. CERL Thesaurus
4. Sejm-Wielki.pl